Valve diaphragm



FIG. 1 is a top view of a valve diaphragm, showing our new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a bottom perspective view thereof;

FIG. 5 is a side elevation view thereof;

FIG. 6 is a top view thereof, showing section line 7-7; and,

FIG. 7 is a cross-section view thereof, taken along line 7-7 of FIG. 6.

The broken lines depict environmental subject matter only and form nopart of the claimed design.

CLAIM The ornamental design for a valve diaphragm, as shown anddescribed.